Shortly after posting her pregnancy reveal, Brigitte share another shot of her wearing sunglasses and a scarf and flashing her bump in a curve-hugging dress.

"Happy time. Positive vibes," she wrote as the caption.

The new baby will be Brigitte's fifth child, as she currently has four sons.

Brigitte is expecting her fifth child, and first with hubby Mattia Dessi who she married in 2006 (Image: ABACA)

Brigitte and her Tv producer husband are currently living in sunny Palm Springs (Image: Splash News)

Brigitte, who starred in Rocky IV, is mum to Julian Winding, 34, who she shares with first husband Kasper Winding.

The Danish model then welcomed a second son, Killian Marcus Gastineau, 28, with ex-fiancé Mark Gastineau.

She then went on to have Douglas, 25, and Raoul, 23, with her fourth husband Raoul Meyer.

Brigitte Nielsen with ex husband Stallone in 1987 (Image: Rex)

Brigitte was joined by Sly's mum Jackie during her appearance in CBB (Image: Rex)

The 6ft1nblonde was previously married to Raoul Meyer between 1993 to 2003, Sebastian Copeland from 1990 until 1992, Stallone from 1985 until 1987 and Kasper Winding from 1983 until 1984.

She tied the knot with fifth husband Mattia in 2006.

Mirror Online has contacted representatives for comment.

Brigitte also had a well publicised relationship with rapper Flavor Flav (Image: Getty)

After starting her modelling career in the 1980s, Brigitte landed an appearance in Red Sonja in 1985 alongside Arnold Schwarzenegger.

The same year she appeared in Rocky IV opposite her then husband Sylvester Stallone - and then appeared again with him in Cobra the following year.

Brigitte and Sylvester married on 15 December 1985 at the Beverley Hills home of Irwin Winkler. But their marriage was over just 19 months later with the pair finalising their divorce in July 1987.

Brigitte's turbulent private life has been as drama-filled as any of her silver screen appearances (Image: GC Images)

As well as her silver screen appearances, Brigitte has made more of a success of herself as a reality star in the US and has appeared in various shows including The Mode, The Surreal Life, Flavor of Love and The Surreal Life: Fame Game among others.

She is perhaps most famous in the UK for her appearance on Celebrity Big Brother in 2005 in which she finished in third place.

Away from the camera, Brigitte has battled some personal demons and struggled with a well documented battle with alcohol in the past.

In 2007 she checked herself into rehab after a reported family intervention and she later took part in reality show Celebrity Rehab with Dr. Drew in a bit to beat her issues.